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EP0085654A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Reactive dyes, their preparation and their use

Assignee: Novartis AG
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Filing: 1983-01-24
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Granted: —
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Expires: 2003-01-24
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Abstract

Abstract Translated from German Reaktivfarbstoffe der Formel <IMAGE> worin D der Rest eines organischen Farbstoffes, R Wasserstoff oder gegebenenfalls substituiertes C1-4-Alryl, R1 Wasserstoff, Methyl oder Aethyl, A ein gegebenenfalls substituiertes Aliphatisches oder aromatisches Brückenglied, X ein Rest -SO2-C2H4-S-SO3H oder, nur wenn A ein gegebenenfalls substituiertes aromatisches Brük-kenglied ist, ein Rest <IMAGE> und R2 Wasserstoff, Methyl oder Aethyl ist, eignen sich zum Färben und Bedrucken cellulosehaltiger und stickstoffhaltiger Fasermaterialien. Reactive dyes of the formula <IMAGE> wherein D is the residue of an organic dye, R is hydrogen or optionally substituted C1-4-alryl, R1 is hydrogen, methyl or ethyl, A is an optionally substituted aliphatic or aromatic bridge member, X is a residue -SO2-C2H4-S -SO3H or, only if A is an optionally substituted aromatic bridge member, a radical <IMAGE> and R2 is hydrogen, methyl or ethyl, are suitable for dyeing and printing cellulosic and nitrogenous fiber materials.

Inventors

  • 👤 Jürgen Dr. Markert
  • 👤 Herbert Dr. Seiler

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-05 07:24
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/4401; C09B62/4403

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